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Finding the Fourth Proportional to 95,641.78, 131,985.27 and 53,200.32

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Solution

The fourth proportional to 95,641.78, 131,985.27 and 53,200.32 is: 73,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,641.78 : 131,985.27 = 53,200.32 : x
  2. Step 2: Convert to fraction form
    95,641.78/131,985.27 = 53,200.32/x
  3. Step 3: Cross multiply
    95,641.78x = 131,985.27 × 53,200.32
  4. Step 4: Simplify right side
    95,641.78x = 7,021,658,599.29
  5. Step 5: Solve for x
    x = 7,021,658,599.29/95,641.78
  6. Step 6: Final answer
    x = 73,416.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.